Chair



FIG. 1 is a front perspective-view of a chair;

FIG. 2 is a front view thereof

FIG. 3 is a right-side view thereof

FIG. 4 is a left-side view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design of a chair, as shown and described. 